HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY – FACULTY OF ELECTRICAL AND ELECTRONICS ENGINEERING INTRO TO ELECTRICAL AND COMPUTER ENGINEERING (ECE110) FINAL EXAMINATION Semester – Academic year 2011-2012 Duration: 90 Name Score ID# Instructor Dr Hoang Trang Dr Le Chi Thong ne C INSTRUCTIONS: Books and notes are accepted No computers Arithmetic-only calculator is accepted Show ALL intermediate work (if any), NOT just answers Do NOT communicate with any other students Answer on this question sheet om Department of Electronics Engineering Si nh Vi en Zo Q1 (1 point) Use the “large signal” model for diodes, find Vd1, Id1, Vd2, and Id2 Assume that VON = 0.7 V Page of SinhVienZone.com https://fb.com/sinhvienzonevn HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY – FACULTY OF ELECTRICAL AND ELECTRONICS ENGINEERING Q2 (2 points) VBEON = 0.7 V, VCESAT = 0.2 V, β = 100, Vcc = 12 V, Ic = Ie = β.Ib a Find the expression of with respect to om with respect to Zo ne C b Find the expression of Si nh Vi en c Find the expression of the saturation collector current d Calculate the values in the following table VIN (V) Ib (μA) Ic (mA) Vout (V) BJT state 0.6 1.0 3.0 10.0 Page of SinhVienZone.com https://fb.com/sinhvienzonevn HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY – FACULTY OF ELECTRICAL AND ELECTRONICS ENGINEERING Q3 (2 points) Given the diagram circuit om a Find the expression of the output F Si nh Vi en Zo ne C b Create the truth table of F c Given the waveform of A, B, C, and D, find the waveform of F A B C D F Page of SinhVienZone.com https://fb.com/sinhvienzonevn HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY – FACULTY OF ELECTRICAL AND ELECTRONICS ENGINEERING ̅ ̅ ) ̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅ Q4 (2 points) ( a Find the SOP expression of the function F C om b Rewrite the function F in the canonical SOP form en Zo ne c Rewrite the function F in the Σ form Si nh Vi d Using the result in (a), draw the diagram circuit Q5 (1 point) Minimize the following function using K-map ( ) ∑( ) Page of SinhVienZone.com https://fb.com/sinhvienzonevn HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY – FACULTY OF ELECTRICAL AND ELECTRONICS ENGINEERING Q6 (2 points) A combinational circuit receives signals from switches A, B, C, and D It is also connected to an LED The LED will be ON if at least two switches next to each other are ON Switches A B C LED Switch Signal LED Signal F OFF OFF ON ON D Si nh Vi en Zo ne C om a Express the function of the output in a truth table b Minimize the function and design this combinational circuit using NAND-NAND circuit Page of SinhVienZone.com https://fb.com/sinhvienzonevn ... Page of SinhVienZone. com https://fb .com/ sinhvienzonevn HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY – FACULTY OF ELECTRICAL AND ELECTRONICS ENGINEERING Q6 (2 points) A combinational circuit receives... truth table b Minimize the function and design this combinational circuit using NAND-NAND circuit Page of SinhVienZone. com https://fb .com/ sinhvienzonevn ... Given the waveform of A, B, C, and D, find the waveform of F A B C D F Page of SinhVienZone. com https://fb .com/ sinhvienzonevn HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY – FACULTY OF ELECTRICAL